H1 is identical to the title tag
What this means
The H1 and the title tag are the same text (compared case-insensitively on collapsed whitespace), so two independent signals are spent on one phrasing.
How to fix it
Keep the title tag written for the search result and rewrite the H1 for the reader who has already landed — same topic, complementary wording.
Fix effort
This check needs review: the change can be drafted for you, but a person has to approve the wording or choose the target before it ships.
Authoritative source
https://developers.google.com/search/docs/appearance/structured-data/article
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